Diego Ladron De Guevara Aguirre

Billing and logistics control system and E-commerce website (dulceruth.pe) Lead the migration and architectural modernization of two legacy platforms (an internal management system and the dulceruth.pe e-commerce), rewriting monolithic solutions based on PHP/WordPress towards a 100% Serverless infrastructure native to AWS. Solve critical scalability and server overload problems, eliminating the dependency on saturated EC2 instances through service decoupling and the adoption of a pay-as-you-go Cloud model.

Developed and integrated REST APIs using Java and Spring Boot for web and mobile applications. Integrated multiple external APIs (WhatsApp API, Twilio, YCloud, Mercado Pago) to automate communication and payment processes. Implemented real-time functionalities for user interaction. Managed production deployments using Cloud services (Google Cloud, Hostinger). Built internal administrative dashboards that optimized operational management.

Executed manual and automated tests to ensure software quality. Reported and validated bugs in collaboration with the development team.